MS Access Database file gets corrupted due to the Improper handling and system generated errors. In such situation you can try Microsoft inbuilt "Compact and Repair" utility for repairing corrupted Access Database files.

If you are able to recover data, then it is good otherwise you can use Access Database Recovery Tool. Many third party tool available in web market, but I would like to suggest you to use this MS Access File Recovery Tool.
Read more information and download free trial version of this tool, here:- https://goo.gl/wTid0e

Before using any such paid Access database repair tool, users must try few manual tricks which are free and as effective as a professional tool. The first thing you should try is Compact and Repair utility provided by Microsoft. Also, JetComp.exe can be used to repair Access database file. You can also try to import corrupt database into a new one (if you're using Access 2007). For more information, you can read the blog post shared below:

Kernel for Access, a powerful and the most effective third party software, capable to retrieve data from corrupt MDB and ACCDB file of MS Access. The software supports the latest versions of MS Access (2016). The software is designed with an advanced QFSCI algorithm to retrieve complete data with full accuracy. For more information about the software, go to: http://www.accessrepair.recoveryfiles.org